:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1d232b;
  --muted: #667085;
  --line: #d8dee8;
  --line-strong: #b8c0cc;
  --accent: #1d6f78;
  --accent-soft: #e3f4f5;
  --ok: #1f7a4d;
  --ok-soft: #e6f4ed;
  --bad: #b42318;
  --bad-soft: #fde8e5;
  --warn: #a15c00;
  --warn-soft: #fff1d6;
  --code: #f1f3f6;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input[type="search"] {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

button {
  min-height: 32px;
  padding: 0 10px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 700;
}

.app-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  white-space: nowrap;
}

.pill.ok {
  border-color: #a5d6bd;
  background: var(--ok-soft);
  color: var(--ok);
}

.pill.warn {
  border-color: #edc678;
  background: var(--warn-soft);
  color: var(--warn);
}

.pill.bad {
  border-color: #f0aaa3;
  background: var(--bad-soft);
  color: var(--bad);
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 10px;
  padding: 14px 24px;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 10px;
  min-width: 0;
}

.summary-card h2 {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.25;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.metric {
  min-width: 0;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.metric strong {
  display: block;
  font-size: 15px;
  line-height: 1.25;
}

.controls {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) 150px 120px repeat(4, max-content);
  gap: 10px;
  align-items: end;
  padding: 0 24px 14px;
}

.controls label:not(.check-control) span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.controls input[type="search"],
.controls select {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
}

.check-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  white-space: nowrap;
  color: var(--ink);
}

.workspace {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 14px;
  padding: 0 24px 24px;
  min-height: calc(100vh - 248px);
}

.case-pane,
.detail-pane {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  min-width: 0;
}

.case-pane {
  display: flex;
  flex-direction: column;
  min-height: 520px;
  max-height: calc(100vh - 248px);
}

.pane-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.case-list {
  overflow: auto;
}

.case-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 9px 10px;
  text-align: left;
  background: #fff;
  color: var(--ink);
}

.case-row:hover,
.case-row.active {
  background: var(--accent-soft);
  color: var(--ink);
}

.case-main {
  min-width: 0;
}

.case-id {
  display: block;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.case-target {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-badges {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
}

.mini-badge {
  display: inline-flex;
  min-width: 48px;
  justify-content: center;
  border-radius: 999px;
  padding: 1px 7px;
  background: var(--code);
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.mini-badge.tie {
  background: var(--warn-soft);
  color: var(--warn);
}

.mini-badge.ok {
  background: var(--ok-soft);
  color: var(--ok);
}

.detail-pane {
  overflow: auto;
  max-height: calc(100vh - 248px);
}

.detail-inner {
  padding: 14px;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.detail-header h2 {
  margin: 0;
  font-size: 18px;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 8px;
}

.section-title h3 {
  margin: 0;
  font-size: 14px;
}

.tie-timeline {
  display: grid;
  gap: 8px;
}

.tie-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--warn);
  border-radius: 8px;
  padding: 10px;
  background: #fffdf8;
}

.tie-card.eos {
  border-left-color: var(--bad);
  background: var(--bad-soft);
}

.tie-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.tie-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.token-box {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 8px;
  min-width: 0;
}

.token-box code,
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.token-text {
  display: block;
  overflow-wrap: anywhere;
  font-size: 15px;
}

.token-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.prompt-box {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--code);
  padding: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.prompt-box.zh {
  margin-top: 6px;
  background: #fbfcfd;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

.prompt-label {
  margin: 8px 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 10px;
}

.backend-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  min-width: 0;
  cursor: pointer;
}

.backend-panel:hover,
.backend-panel.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.backend-panel h4 {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.25;
}

.backend-result {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.generated-text {
  min-height: 56px;
  max-height: 140px;
  overflow: auto;
  border-radius: 6px;
  background: var(--code);
  padding: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.raw-panel {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.raw-panel pre {
  max-height: 240px;
  overflow: auto;
  margin: 8px 0 0;
  padding: 10px;
  border-radius: 6px;
  background: var(--code);
  font-size: 12px;
}

.empty-state {
  padding: 24px;
  color: var(--muted);
}

@media (max-width: 1180px) {
  .summary-band {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .controls {
    grid-template-columns: 1fr 150px 120px;
  }

  .comparison-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }
}

@media (max-width: 860px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-band,
  .controls,
  .workspace {
    padding-left: 12px;
    padding-right: 12px;
  }

  .summary-band,
  .controls,
  .workspace,
  .comparison-grid,
  .tie-grid {
    grid-template-columns: 1fr;
  }

  .case-pane,
  .detail-pane {
    max-height: none;
  }
}